Anencephaly
Neural tube defect involving absence of much of the brain, skull and scalp
Anencephaly
Anencephaly is the absence of a major portion of the brain, skull, and scalp that occurs during embryonic development. It is a cephalic disorder that results from a neural tube defect that occurs when the rostral (head) end of the neural tube fails to close, usually between the 23rd and 26th day following conception. Strictly speaking, the Greek term translates as "without a brain", but it is accepted that children born with this disorder usually only lack a telencephalon, the largest part of the brain consisting mainly of the cerebral hemispheres, including the neocortex, which is responsible for cognition. The remaining structure is usually covered only by a thin layer of membrane—skin, bone, meninges, etc., are all lacking. With very few exceptions, infants with this disorder do not survive longer than a few hours or days after birth. Anencephaly is a severe neural tube defect typically considered incompatible with prolonged postnatal survival, and as such, surgical intervention is not...
Read on Wikipedia · Image Centers for Disease Control and Prevention, National Center on Birth Defects and Developmental Disabilities, Public domain
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